Final answer:
When a guest uses an arch card, you should express gratitude and ensure the card balance.
Step-by-step explanation:
When a guest uses an arch card, the two things you should do are:
- Express gratitude for using the arch card
- Ensure the balance of the arch card
By thanking the guest for using the arch card, you acknowledge their choice and make them feel appreciated. Ensuring the balance of the arch card is important to provide a seamless experience for the guest and to avoid any inconvenience. These two actions help maintain a positive relationship with the guest and encourage them to continue using the arch card.